Even by the extraordinary standards of Donald Trump, it was a creepy chat-up line. We were at 30,000ft on Trump’s private jet flying to Florida, when he showed me his white leather double bed. ‘I like beautiful things,’ he purred seductively. ‘That’s why I like you so much.’ This was just one of many revealing and excruciating moments during the two weeks I spent with Trump in 1995 while making a 60-minute profile of him for ITV – a fortnight which started with a charm offensive, but ended in bitterness, recrimination and intimidating letters that only stopped when I threatened...